*{
    font-size: 14px;
    zoom: 1;
}
*:after{
    content: "";
    display: block;
    visibility: hidden;
    height: 0;
    clear: both;
}
#title{
    text-align: center;
    color: rgb(11,143,254);
    font-weight: bold;
    font-size: 17px;
}
#app{
    padding: 20px 0;
}
#whole{
    margin-right: 286px;
    margin-left: 267px;
}
#content{
    display: flex;
    padding: 40px 0;
}
#left{
    width: 445px;
}
#left ul li{
    float: right;
    margin: 5px 0;
    /*清除浮动塌陷*/
    clear: both;
}
#close{
    color: white;
    font-size: 30px;
    position: absolute;
    top:20px;
    right: 20px;
    cursor: pointer;
}
.bold{
    font-weight: bold;
}
#right ul li{
    margin: 5px 0;
}
#win{
    position: absolute;
    background: rgba(0,0,0,0.8);
    padding: 100px 200px;
    border-radius: 5%;
    display: none;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
    transition: opacity 0.3s ease-in-out;
}